Corrosion Science and Technology

  • 제5권5호
  • /
  • Pages.153-159
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  • 2006
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  • 1598-6462(pISSN)
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  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
권호 표지

Development of Metallic Bipolar Plate Material with W-addition in Austenitic Stainless Steel for PEMFC Environment

  • 발행 : 2006.10.01
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초록

Austenitic stainless steels with addition of various amounts of Mo and W were evaluated in terms of corrosion and contact resistance to determine optimum alloy composition of metallic bipolar plate for PEMFC. The corrosion property was evaluated by both acid fume exposure test at $130^{\circ}C$ and by electrochemical polarization tests in $H_3PO_4$ solution at $80^{\circ}C$. Austenitic stainless steel with proper amount of Mo and W demonstrated not only good corrosion resistance but also low contact resistance. Analyses on the passive film show that partial substitution of Mo by W enhances passive film stability and repassivation property. Test results suggest that austenitic stainless steel with 2 wt%Mo and 4 wt%W has optimum composition for metallic bipolar plate used in PEMFC.

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참고문헌

  1. D. P. Davies, P. L. Adcock, M. Turpin, and S. J. Rowen, J Power Sources, 86, 237 (2000) https://doi.org/10.1016/S0378-7753(99)00524-8
  2. T. Besmarm, J, Henry, and J. Klett, Proc. Fuel Cell Seminar, p. 61 (2003)
  3. H. Wang, M. A. Sweikart, and 1. A. Turner, J Power Sources, 115, 243 (2003) https://doi.org/10.1016/S0378-7753(03)00023-5
  4. S. Lee, J. Lai, and C. Huang, J Power Sources, 145, 362 (2005) https://doi.org/10.1016/j.jpowsour.2005.01.082
  5. E. Cho, U. Jeon, S. Hong, I. Oh, and S. Kang, J Power Sources, 142, 177 (2005) https://doi.org/10.1016/j.jpowsour.2004.10.032
  6. J. Scholta, B. Rohland, V. Trapp, and U. Foken, J. Power Sources, 84, 231 (1999) https://doi.org/10.1016/S0378-7753(99)00322-5
  7. Q. Li, R. He, O. J. Jensen, and N. J. Bjerrum, Chemistry of Materials, 15, 4896 (2003) https://doi.org/10.1021/cm0310519
  8. P. Costamagna and S. Srinivasan, J. Power Sources, 102, 242 (2001) https://doi.org/10.1016/S0378-7753(01)00807-2
  9. J. S. Wainright, J.-T. Wang, D. Weng, R. F. Savinell M. Litt, J Electrochem. Soc., 142, 1121 (1995)
  10. J. S. Wainright, M. Litt., and R. F. Svinell in Handbood of Fuel Cells, Vol. 3, Eds. W. Vielstich, A. Lamm and H. A. Gasteiger, John Wiley & Sons Ltd., p. 436 (2003)
  11. Q. Li, R. He, J. O. Jensen, and N. J. Bjerrum, Fuel Cells, 4, 147 (2004) https://doi.org/10.1002/fuce.200400020
  12. M. Pourbaix, Atlas of Electrochemical Equilibria in Aqueous Solution, NACE, Huston, 1974
  13. A. Belefrough, C. Masson, D. Vouagner, A. M. De Becdelivre, N. S. Prkash, and J. P. Audouard, Corros. Sci., 38, 1639 (1996) https://doi.org/10.1016/S0010-938X(96)00033-9
  14. J. S. Kim, P. J. Xiang, and K. Y. Kim, Corrosion, 61, 174 (2005) https://doi.org/10.5006/1.3278172
  15. D. Manno, M. Di. Giulio, A. Serra, T. Siciliano, and G. Micocci, J. Phys. D: Appl. Phys., 35, 228 (2002) https://doi.org/10.1088/0022-3727/35/3/310
  16. M. Di. Giulio, D. Manno, G. Micocci, A. Serra, and A. Tepore, J. Phys. D: Appl. Phys., 30, 3211 (1997) https://doi.org/10.1088/0022-3727/30/23/005